视频类加载swf(二)

比眉伴天荒 2021-11-23 22:26 255阅读 0赞

1.  package net.eidiot.player
2.  \{
3.  import fl.controls.\*;
4.  import fl.events.SliderEvent;
5.  
6.  import flash.display.\*;
7.  import flash.events.\*;
8.  import flash.geom.Rectangle;
9.  import flash.net.URLRequest;
10. 
11. /\*\*
12. \* SWF播放器
13. \*
14. \* @author eidiot (http://eidiot.net)
15. \* @date 070613
16. \* @version 0.1.070616
17. \*/
18. public class SWFPlayer extends Sprite
19. \{
20. /\* 载入MC的显示区域 \*/
21. private static const SHOW\_X : Number = 20;
22. private static const SHOW\_Y : Number = 20;
23. private static const SHOW\_W : Number = 200;
24. private static const SHOW\_H : Number = 200;
25. /\* ui \*/
26. public var btn1 : Button;
27. public var btn2 : Button;
28. public var fms : TextInput;
29. public var sdr : Slider;
30. /\* 加载 \*/
31. private var m\_urlList : Array = \["mc1.swf", "mc2.swf"\];
32. private var m\_request : URLRequest;
33. private var m\_loader : Loader;
34. private var m\_loading : SWFLoading;
35. private var m\_mc : MovieClip;
36. /\* 状态变量 \*/
37. private var m\_isPressSdr : Boolean = false;
38. 
39. /\*\*
40. \* 构造函数
41. \*/
42. public function SWFPlayer()
43. \{
44. this.init();
45. \}
46. /\*\*
47. \* @private
48. \* 初始化
49. \*/
50. private function init() : void
51. \{
52. /\* init ui \*/
53. this.btn1.addEventListener(MouseEvent.CLICK, this.onClickBtn1);
54. this.btn2.addEventListener(MouseEvent.CLICK, this.onClickBtn2);
55. this.sdr.liveDragging = true;
56. this.sdr.addEventListener(SliderEvent.CHANGE, this.onChangeSdr);
57. this.sdr.addEventListener(SliderEvent.THUMB\_PRESS, this.onPressSdr);
58. this.sdr.addEventListener(SliderEvent.THUMB\_RELEASE, this.onReleaseSdr);
59. thisthis.sdr.enabled = this.fms.enabled = false;
60. /\* init load \*/
61. this.m\_request = new URLRequest();
62. this.m\_loading = new SWFLoading(SHOW\_W, SHOW\_H, SHOW\_X, SHOW\_Y);
63. \}
64. /\*\*
65. \* @private
66. \* 加载MC
67. \*
68. \* @param p\_index MC(地址在m\_urlList中的)索引
69. \*/
70. private function loadMc(p\_index : int) : void
71. \{
72. /\* reset ui \*/
73. this.sdr.value = 0;
74. thisthis.sdr.enabled = this.btn1.enabled = this.btn2.enabled = false;
75. /\* 移除已经加载的mc \*/
76. if (this.m\_mc != null)
77. \{
78. this.removeEventListener(Event.ENTER\_FRAME, this.onEnterFrame);
79. this.removeChild(this.m\_mc);
80. this.m\_mc = null;
81. \}
82. /\* 加载新的MC \*/
83. thisthis.m\_request.url = this.m\_urlList\[p\_index\];
84. this.m\_loader = new Loader();
85. this.initLoaderEvent();
86. this.m\_loader.load(this.m\_request);
87. this.m\_loading.show(this);
88. \}
89. /\*\*
90. \* @private
91. \* 显示加载的MC
92. \*/
93. private function showSWF() : void
94. \{
95. // 隐藏loading
96. this.m\_loading.hide();
97. // loaderInfo
98. var t\_info : LoaderInfo = this.m\_loader.contentLoaderInfo;
99. // 载入的MC
100. this.m\_mc = t\_info.content as MovieClip;
101. // 载入MC的舞台宽度
102. var t\_stageW : Number = t\_info.width;
103. // 载入MC的舞台高度
104. var t\_stageH : Number = t\_info.height;
105. // 载入MC的实际宽度
106. var t\_mcW : Number = this.m\_mc.width;
107. // 载入MC的实际高度
108. var t\_mcH : Number = this.m\_mc.height;
109. // 是否缩放MC适应显示宽度(载入MC舞台的宽高比是否大于显示区域宽高比)
110. var t\_scaleWidth : Boolean = t\_stageW / t\_stageH > SHOW\_W / SHOW\_H;
111. // 缩放比率
112. var t\_scaleRate : Number = t\_scaleWidth ? SHOW\_W / t\_stageW : SHOW\_H / t\_stageH;
113. // 缩放MC
114. thisthis.m\_mc.scaleX = this.m\_mc.scaleY = t\_scaleRate;
115. // 显示载入MC的显示范围
116. this.m\_mc.scrollRect = new Rectangle(0, 0, t\_stageW, t\_stageH);
117. // 显示载入MC
118. this.addChild(this.m\_mc);
119. // 调整显示位置
120. this.m\_mc.x = SHOW\_X;
121. this.m\_mc.y = SHOW\_Y;
122. if (t\_scaleWidth) this.m\_mc.y += (SHOW\_H - t\_stageH \* t\_scaleRate) / 2;
123. else this.m\_mc.x += (SHOW\_W - t\_stageW \* t\_scaleRate) / 2;
124. // 修改帧频
125. this.stage.frameRate = t\_info.frameRate;
126. this.fms.text = String(this.stage.frameRate);
127. // 设置组件
128. thisthis.sdr.enabled = this.btn1.enabled = this.btn2.enabled = true;
129. thisthis.sdr.maximum = this.m\_mc.totalFrames;
130. // 监听MC事件
131. this.addEventListener(Event.ENTER\_FRAME, this.onEnterFrame);
132. \}
133. /\*\*
134. \* @private
135. \* 初始化加载事件
136. \*/
137. private function initLoaderEvent() : void
138. \{
139. var t\_info : LoaderInfo = this.m\_loader.contentLoaderInfo;
140. t\_info.addEventListener(Event.COMPLETE, this.onLoadDone);
141. t\_info.addEventListener(IOErrorEvent.IO\_ERROR, this.onLoadError);
142. t\_info.addEventListener(ProgressEvent.PROGRESS, this.onLoadProgress);
143. \}
144. /\*\*
145. \* @private
146. \* 移除加载事件
147. \*/
148. private function killLoaderEvent() : void
149. \{
150. var t\_info : LoaderInfo = this.m\_loader.contentLoaderInfo;
151. t\_info.removeEventListener(Event.COMPLETE, this.onLoadDone);
152. t\_info.removeEventListener(IOErrorEvent.IO\_ERROR, this.onLoadError);
153. t\_info.removeEventListener(ProgressEvent.PROGRESS, this.onLoadProgress);
154. \}
155. /\* onEnterFrame事件 \*/
156. private function onEnterFrame(p\_e : Event) : void
157. \{
158. thisthis.sdr.value = this.m\_mc.currentFrame;
159. \}
160. /\* ui 事件 \*/
161. private function onClickBtn1(p\_e : MouseEvent) : void
162. \{
163. this.loadMc(0);
164. \}
165. private function onClickBtn2(p\_e : MouseEvent) : void
166. \{
167. this.loadMc(1);
168. \}
169. private function onChangeSdr(p\_e : SliderEvent) : void
170. \{
171. if (this.m\_isPressSdr) this.m\_mc.gotoAndStop(p\_e.value);
172. \}
173. private function onPressSdr(p\_e : SliderEvent) : void
174. \{
175. this.m\_isPressSdr = true;
176. this.m\_mc.stop();
177. \}
178. private function onReleaseSdr(p\_e : SliderEvent) : void
179. \{
180. this.m\_isPressSdr = false;
181. this.m\_mc.play();
182. \}
183. /\* 加载事件 \*/
184. private function onLoadDone(p\_e : Event) : void
185. \{
186. this.killLoaderEvent();
187. this.m\_loading.hide();
188. this.showSWF();
189. \}
190. private function onLoadError(p\_e : Event) : void
191. \{
192. this.killLoaderEvent();
193. this.m\_loading.showError();
194. \}
195. private function onLoadProgress(p\_e : ProgressEvent) : void
196. \{
197. this.m\_loading.progress(p\_e.bytesLoaded, p\_e.bytesTotal);
198. \}
199. \}
200. \}
201. import flash.text.TextField;
202. import flash.display.DisplayObjectContainer;
203. import flash.text.TextFieldAutoSize;
204. 
205. /\*\*
206. \* 加载进度显示
207. \*/
208. internal class SWFLoading extends TextField
209. \{
210. /\*\*
211. \* 构造函数
212. \*
213. \* @param p\_w 显示宽度
214. \* @param p\_h 显示高度
215. \* @param p\_x x坐标
216. \* @param p\_y y坐标
217. \*/
218. public function SWFLoading(p\_w : Number, p\_h : Number, p\_x : Number = 0, p\_y : Number = 0)
219. \{
220. this.text = "正在加载SWF ... ";
221. this.width = p\_w;
222. this.autoSize = TextFieldAutoSize.CENTER;
223. this.selectable = false;
224. this.x += p\_x;
225. this.y += p\_y + (p\_h - this.height) / 2;
226. \}
227. /\*\*
228. \* 显示
229. \*
230. \* @param p\_parent 父容器
231. \*/
232. internal function show(p\_parent : DisplayObjectContainer) : void
233. \{
234. p\_parent.addChild(this);
235. \}
236. /\*\*
237. \* 隐藏
238. \*/
239. internal function hide() : void
240. \{
241. if (this.parent != null) this.parent.removeChild(this);
242. \}
243. /\*\*
244. \* 更新加载进度
245. \*
246. \* @param p\_loaded 已加载字节
247. \* @param p\_total 文件总字节
248. \*/
249. internal function progress(p\_loaded : Number, p\_total : Number) : void
250. \{
251. this.text = "正在加载SWF ... " \+ int(p\_loaded / p\_total \* 100) + "%";
252. \}
253. /\*\*
254. \* 显示信息
255. \*
256. \* @param p\_info 文字信息
257. \*/
258. internal function showInfo(p\_info : String) : void
259. \{
260. this.text = p\_info;
261. \}
262. /\*\*
263. \* 显示加载失败
264. \* @param p\_info 错误信息
265. \*/
266. internal function showError(p\_info : String = null) : void
267. \{
268. this.text = p\_info == null ? "SWF加载失败" : p\_info;
269. \}
270. \}

转载于:https://www.cnblogs.com/sunmmbk/archive/2012/11/01/2763610.html